<!--ProdInc[600018139]/Mall:[potterybarnkids_US]--> Durable, functional and oh-so-playful, our Mackenzie backpacks are packed with pockets, straps and gear loops to keep everything in place. Made of water-resistant polyester crafted from recycled plastic bottles and featuring adjustable padded shoulder straps, exterior straps to hold a Mackenzie lunch bag and exterior side pockets fitted to our water bottles, it''s the most efficient and playfully designed collection around. Personalize it with their name or initials for a smart, extra-special touch. DETAILS THAT MATTER Backpacks * Made of rugged, water-resistant 600-denier recycled polyester. * Interior is lined with 150-denier recycled polyester. * Yarn-dyed fiber has incredibly rich color that holds its vibrancy over time. * All backpacks have adjustable PP webbing straps that are contoured and padded to ensure a comfortable fit; padded back panel adds extra cushioning. * Features a YKK zipper closure with a Nickel finish. * Exterior side pockets are designed to hold any of our water bottles (sold separately). * Our glow-in-the-dark backpacks features a material that needs to “charge” under bright light for approximately half an hour to glow properly. * Glow lasts for approximately 3 to 4 hours. * The Glow effect will become weaker over time. KEY PRODUCT POINTS * Pottery Barn Kids exclusive. * Mini backpack does not include a chest strap. * Mini backpacks are made of 30 units of 500ml recycled plastic bottles, exclusive of trims. * Small backpacks are made of 40 units of 500ml recycled plastic bottles. * Large backpacks are made of 50 units of 500ml recycled plastic bottles. * X-Large Backpacks are made of 40 units of 500ml recycled plas <img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=potterybarnkids&ProdInc=600018139&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px''>